Skip Navigation Links weather.gov   
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
National Hurricane Center
Local forecast by
"City, St" or "ZIP"

 
Alternate Formats
   Text     |   Mobile
   Email   |   RSS XML/RSS logo
   About Alternates
Cyclone Forecasts
   Latest Advisory
   Past Advisories
   Audio/Podcasts
   About Advisories
Marine Forecasts
   Atlantic & E Pacific
   Gridded Marine
   About Marine
Tools & Data
   Satellite | Radar
   Analysis Tools
   Aircraft Recon
   GIS Datasets
   Data Archive
Development
   Experimental
   Research
   Forecast Accuracy
Outreach & Education
   Prepare
   Storm Surge
   About Cyclones
   Cyclone Names
   Wind Scale
   Most Extreme
   Forecast Models
   Breakpoints
   Resources
   Glossary | Acronyms
   Frequent Questions
Our Organization
   About NHC
   Mission & Vision
   Staff | Q&A
   Visitors | Virtual Tour
   Library Branch
   NCEP | Newsletter
Contact Us
   Comments
Follow the National Hurricane Center on Facebook Follow the National Hurricane Center on Twitter
Subscribe the National Hurricane Center on YouTube Read the National Hurricane Center Inside the Eye blog on WordPress
FirstGov.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.
 
 

Tropical Storm ISAAC


ZCZC MIATCPAT4 ALL
TTAA00 KNHC DDHHMM
 
BULLETIN
TROPICAL STORM ISAAC ADVISORY NUMBER  11
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092012
500 PM AST THU AUG 23 2012
 
...ISAAC CONTINUING WEST-NORTHWESTWARD...NEW WARNINGS AND WATCHES
FOR THE BAHAMAS AND CUBA...
 
 
SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...16.0N 67.1W
ABOUT 180 MI...285 KM SSW OF SAN JUAN PUERTO RICO
ABOUT 255 MI...405 KM SE OF SANTO DOMINGO DOMINICAN REPUBLIC
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WARNING
FOR THE SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED
ISLAND...LONG CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED
ISLANDS AND THE TURKS AND CAICOS ISLANDS.
 
THE GOVERNMENT OF CUBA HAS ISSUED A TROPICAL STORM WATCH FOR THE
CUBAN PROVINCES OF CAMAGUEY...LAS TUNAS...GRANMA...HOLGUIN...
SANTIAGO DE CUBA...AND GUANTANAMO.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* SOUTH COAST OF DOMINICAN REPUBLIC FROM ISLA SAONA WESTWARD TO THE
HAITI-DOMINICAN REPUBLIC SOUTHERN BORDER
* HAITI
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BRITISH VIRGIN ISLANDS
* PUERTO RICO...VIEQUES...CULEBRA...AND THE U.S. VIRGIN ISLANDS
* NORTH COAST OF DOMINICAN REPUBLIC FROM THE HAITI-DOMINICAN
REPUBLIC NORTHERN BORDER EASTWARD TO NORTH OF ISLA SAONA
* SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED
ISLAND...LONG CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED
ISLANDS AND THE TURKS AND CAICOS ISLANDS
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE CUBAN PROVINCES OF CAMAGUEY...LAS TUNAS...GRANMA...HOLGUIN...
SANTIAGO DE CUBA...AND GUANTANAMO.
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA.  PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
 
INTERESTS IN JAMAICA...THE REMAINDER OF CUBA...THE REMAINDER OF THE
BAHAMAS...SOUTH FLORIDA...AND THE FLORIDA KEYS SHOULD MONITOR THE
PROGRESS OF ISAAC.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL
WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO
YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS
ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 PM AST...2100 UTC...THE CENTER OF TROPICAL STORM ISAAC WAS
LOCATED NEAR LATITUDE 16.0 NORTH...LONGITUDE 67.1 WEST. ISAAC IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26 KM/H...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH SATURDAY.  ON THE
FORECAST TRACK...THE CENTER OF ISAAC WILL APPROACH THE SOUTH COAST
OF THE DOMINICAN REPUBLIC TONIGHT...MOVER NEAR OR OVER THE SOUTH
COAST OF THE DOMINICAN REPUBLIC AND HAITI ON FRIDAY...AND APPROACH
SOUTHEASTERN CUBA FRIDAY NIGHT.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/H...WITH HIGHER
GUSTS.  STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND
ISAAC COULD BECOME A HURRICANE AS IT NEARS THE DOMINICAN REPUBLIC
AND HAITI ON FRIDAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM
MAINLY TO THE NORTHEAST OF THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON HURRICANE HUNTER
AIRCRAFT AND BUOY DATA IS IS 1003 MB...29.62 INCHES.  NOAA BUOY
42059 RECENTLY REPORTED A PRESSURE OF 1004.1 MB...29.65 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE STILL POSSIBLE OVER PORTIONS OF
PUERTO RICO AND THE U.S. AND BRITISH VIRGIN ISLANDS THIS EVENING.
HURRICANE CONDITIONS ARE STILL POSSIBLE OVER PORTIONS OF THE
DOMINICAN REPUBLIC BY FRIDAY...AND OVER PORTIONS OF HAITI FRIDAY OR
FRIDAY NIGHT.  TROPICAL STORM CONDITIONS ARE EXPECTED OVER THE
SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS BY LATE
FRIDAY.  TROPICAL STORM CONDITIONS ARE POSSIBLE OVER SOUTHEASTERN
CUBA BY SATURDAY.
 
RAINFALL...TOTAL RAINFALL ACCUMULATIONS OF 8 TO 12 INCHES...
WITH MAXIMUM AMOUNTS OF 20 INCHES...ARE POSSIBLE OVER HISPANIOLA.
THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD
SLIDES.  TOTAL RAIN ACCUMULATIONS OF 2 TO 4 INCHES...WITH MAXIMUM
AMOUNTS OF 6 INCHES OVER HIGHER TERRAIN...ARE POSSIBLE OVER PUERTO
RICO AND THE VIRGIN ISLANDS.  TOTAL RAIN ACCUMULATIONS OF 4 TO 8
INCHES ARE POSSIBLE OVER THE NORTHERN WINDWARD ISLANDS AND THE
LEEWARD ISLANDS.
 
STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS
3 TO 5 FEET ABOVE NORMAL TIDE LEVELS IN AREAS OF ONSHORE WINDS ALONG
THE COAST OF HISPANIOLA.  STORM SURGE IN PUERTO RICO...AS WELL AS
THE U.S. AND BRITISH VIRGIN ISLANDS WILL GRADUALLY SUBSIDE TONIGHT. 
NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY DANGEROUS WAVES.
 
SURF...DANGEROUS SURF AND RIP CURRENT CONDITIONS WILL AFFECT THE
WINDWARD ISLANDS...LEEWARD ISLANDS...VIRGIN ISLANDS...AND PUERTO
RICO DURING THE NEXT COUPLE OF DAYS.  PLEASE CONSULT PRODUCTS FROM
YOUR LOCAL WEATHER OFFICE FOR MORE INFORMATION.
 
 
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...800 PM AST.
NEXT COMPLETE ADVISORY...1100 PM AST.
 
$$
FORECASTER BEVEN
 
NNNN


Quick Navigation Links:
Tropical Cyclone Forecasts  -  Tropical Marine Forecasts  -  Data Archive
Outreach  -  Prepare  -  About Cyclones  -  About NHC  -  Contact Us

NOAA/ National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida 33165-2149 USA
nhcwebmaster@noaa.gov
Disclaimer
Credits
Information Quality
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities
Page last modified: Monday, 31-Dec-2012 12:09:24 UTC